IOS third-party map-Baidu map center location, ios third-party

IOS third-party map-Baidu map center location, ios third-party

After positioning using Baidu map, slide the map and use anti-code to determine the location information of the map center store

//// MapControl. m // quyizu /// Created by apple on 15/9/2. // Copyright (c) 2015 waste. all rights reserved. //// use Baidu map positioning, poi search, and geocode # import "MapControl. h "# import" WJBaiduMapTools. h "@ interface MapControl () <outputs, BMKMapViewDelegate, BMKGeoCodeSearchDelegate, outputs> {BMKMapView * _ mapView; // map BMKPoiSearch * _ poisearch; // search for BMKGeoCodeSearch * _ geocodesearch; // geo Search Service CGFloat _ longpolling; // longitude CGFloat _ latitude; // latitude UILabel * _ labelShow; // NSInteger _ index is displayed; // Number of BMKLocationService * _ locService; UIImageView * _ viewCenterBG;} @ end @ implementation MapControl-(instancetype) init {self = [super init]; if (self) {UIBarButtonItem * rightItem = [[UIBarButtonItem alloc] initWithTitle: @ "OK" style: UIBarButtonItemStylePlain target: self action: @ selector (rightItemPres Sed)]; self. navigationItem. rightBarButtonItem = rightItem;} return self;}-(void) rightItemPressed {[self. navigationController popViewControllerAnimated: YES]; if ([_ delegate respondsToSelector: @ selector (mapControlDelegate: isSchool :)]) {[_ delegate mapControlDelegate: _ labelShow. text isSchool: _ isSchool] ;}}- (void) viewWillAppear :( BOOL) animated {[super viewWillAppear: animated]; _ mapView. delegate = Self; _ geocodesearch. delegate = self; _ locService. delegate = self;}-(void) viewWillDisappear :( BOOL) animated {_ mapView. delegate = nil; // when not in use, set nil _ earch. delegate = nil; // when not in use, set nil _ geocodesearch. delegate = nil; _ locService. delegate = nil;}-(void) dealloc {if (_ geocodesearch! = Nil) {_ geocodesearch = nil;} if (_ mapView) {_ mapView = nil ;}}-(void) viewDidLoad {[super viewDidLoad]; if (_ isSchool) {[self addnavigationTitle: @ ""] ;}else {[self addnavigationTitle: @ ""] ;}_ mapView = [[BMKMapView alloc] initWithFrame: CGRectMake (0, 0, ScreenWidth, ScreenHeight)]; [_ mapView setZoomLevel: 17]; [self. view addSubview: _ mapView]; _ geocodesearch = [[BMKGeoCodeSearch alloc] I Nit]; _ locService = [[BMKLocationService alloc] init]; [_ locService startUserLocationService]; [self initCenterView];}-(void) initCenterView {UIView * viewBG = [[UIView alloc] initWithFrame: CGRectMake (0, 64, ScreenWidth, 60)]; [self. view addSubview: viewBG]; UIView * viewBGalpha = [[UIView alloc] initWithFrame: viewBG. bounds]; viewBGalpha. backgroundColor = [UIColor blackColor]; viewBGalpha. alpha = 0.4; [ViewBG addSubview: viewBGalpha]; UILabel * label = [UILabel alloc] initWithFrame: CGRectMake (15, 0, ScreenWidth-30, 60)]; label. textAlignment = NSTextAlignmentCenter; label. text = @ "Map Display"; label. numberOfLines = 2; label. font = [UIFont systemFontOfSize: 14]; label. textColor = [UIColor whiteColor]; [viewBG addSubview: label]; _ labelShow = label; UIImageView * viewCenterBG = [[UIImageView alloc] init]; vie WCenterBG. image = [UIImage imageNamed: @ "map_iconBG"]; viewCenterBG. center = CGPointMake (ScreenWidth/2, ScreenHeight/2); viewCenterBG. bounds = CGRectMake (0, 0, 50, 50); viewCenterBG. alpha = 0.5; _ viewCenterBG = viewCenterBG; [self. view addSubview: viewCenterBG]; [NSTimer scheduledTimerWithTimeInterval: 2 target: self selector: @ selector (timerPressed) userInfo: nil repeats: YES]; UIView * view = [UIView al Loc] init]; view. center = CGPointMake (ScreenWidth/2, ScreenHeight/2); view. bounds = CGRectMake (0, 0, 15, 15); view. layer. cornerRadius = 7.5; view. layer. borderWidth = 1; view. layer. borderColor = [UIColor whiteColor]. CGColor; view. layer. masksToBounds = YES; view. backgroundColor = [UIColor colorWithHexString: @ "69c9fa"]; [self. view addSubview: view];}-(void) timerPressed {[UIView animateWithDuration: 2 Animations: ^ {_ viewCenterBG. bounds = CGRectMake (0, 0,100,100); _ viewCenterBG. alpha = 0.1;} completion: ^ (BOOL finished) {[UIView animateWithDuration: 2 animations: ^ {_ viewCenterBG. bounds = CGRectMake (0, 0, 50, 50); _ viewCenterBG. alpha = 0.5 ;}] ;}# pragma mark-search by latitude and longitude-(void) reversegeopointsearchlong.pdf :( CGFloat) long1_latitude :( CGFloat) latitude {CLLocationCoordinate2D pt = (CLLocation Coordinate2D) {0, 0}; pt = (longitude) {latitude, longpolling}; BMKReverseGeoCodeOption * reverseGeocodeSearchOption = [[BMKReverseGeoCodeOption alloc] init]; reverseGeocodeSearchOption. reverseGeoPoint = pt; BOOL flag = [_ geocodesearch reverseGeoCode: reverseGeocodeSearchOption]; if (flag) {NSLog (@ "anti-geo retrieval sent successfully ");} else {NSLog (@ "failed to send anti-geo search") ;}# pragma mark-BMKMapViewDelegate // call this interface when the map changes -(Void) mapView :( BMKMapView *) mapView regionDidChangeAnimated :( BOOL) animated {if (_ longpolling = mapView. centerCoordinate. longpolling & _ latitude = mapView. centerCoordinate. latitude) {} else {if (_ index! = 0) {[self reversegeopointsearchlongpolling: mapView. centerCoordinate. longpolling latitude: mapView. centerCoordinate. latitude]; _ longpolling = mapView. centerCoordinate. longpolling; _ latitude = mapView. centerCoordinate. latitude ;}} NSLog (@ "% f, % f", mapView. centerCoordinate. longpolling, mapView. centerCoordinate. latitude) ;}# pragma mark-BMKGeoCodeSearchDelegate // * returns the anti-geocode search result-(void) onGetReverseGeoCodeResult :( BMKGeoCodeSearch *) searcher result :( partial *) result errorCode :( BMKSearchErrorCode) error {if (error = 0) {BMKPointAnnotation * item = [[BMKPointAnnotation alloc] init]; item. coordinate = result. location; item. title = result. address; if (_ index = 0) {_ mapView. centerCoordinate = result. location; _ index ++;} NSString * titleStr; NSString * showmeg; titleStr = @ "reverse geocode"; showmeg = [NSString stringWithFormat: @ "% @", item. title]; _ labelShow. text = showmeg ;}# pragma mark-upload-(void) didUpdateBMKUserLocation :( BMKUserLocation *) userLocation {[_ locService stopUserLocationService]; [self reversegeopointsearchlongdistance: userLocation. location. coordinate. longpolling latitude: userLocation. location. coordinate. latitude] ;}@ end